A natural history of Nevis, and the rest of the English Leeward Charibee islands in America : with many other observations on nature and art, particularly, an introduction to the art of decyphering in eleven letters from the Revd. Mr. Smith, sometime Rector of St. John's at Nevis, and now Rector of St. Mary's in Bedford, to the Revd. Mr. Mason, B.D. Woodwardian Professor, and Fellow of Trinity-College, in Cambridge